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    • 1. 发明申请
    • COATING AND A METHOD FOR PREPARING THEREOF
    • 涂料及其制备方法
    • US20140230691A1
    • 2014-08-21
    • US14237149
    • 2012-08-02
    • Riku TaljaJarmo RopponenHanne WikbergKristiina Poppius-LevlinAli Harlin
    • Riku TaljaJarmo RopponenHanne WikbergKristiina Poppius-LevlinAli Harlin
    • C09D101/10
    • C09D101/10C08B3/10C08B37/0057C09D105/14D21H19/20D21H19/34D21H19/52D21H19/56
    • The invention relates to a method for preparing a thermoplastic coating on a substrate from a hemicellulose polymer or a cellulose polymer wherein the method comprises at least following steps: —providing a cellulose polymer or a hemicellulose polymer having at least one hydroxyl group which can be used for forming cellulose or hemicellulose ester, —reacting hemicellulose polymer or cellulose polymer with a residue originating to fatty acid with an aliphatic carbon tail of 4-28 carbons or ester thereof, for obtaining hemicellulose fatty acid ester or cellulose fatty acid ester, —dispersing the hemicellulose fatty acid ester or cellulose fatty acid ester into aqueous solution, —dispersion coating a substrate with dispersed hemicellulose fatty acid ester or cellulose fatty acid ester for preparing a coated substrate and —heating the coated substrate for preparing a substrate provided with a coating, so that the substrate provided with a coating is heat-sealable with the same substrate provided with said coating or with an uncoated substrate.
    • 本发明涉及一种从半纤维素聚合物或纤维素聚合物制备基材上的热塑性涂层的方法,其中该方法包括至少以下步骤: - 提供具有至少一个可以使用的羟基的纤维素聚合物或半纤维素聚合物 用于形成纤维素或半纤维素酯,将具有4-28个碳原子的脂肪族碳末端的脂肪酸残基的半纤维素聚合物或纤维素聚合物或其酯用于获得半纤维素脂肪酸酯或纤维素脂肪酸酯,分散 半纤维素脂肪酸酯或纤维素脂肪酸酯转化成水溶液,用分散的半纤维素脂肪酸酯或纤维素脂肪酸酯分散底物,制备涂布的基材,并加热涂布的基材以制备具有涂层的基材,因此 设置有涂层的基板与相同的可热封 提供有所述涂层或未涂覆的基底的基底。
    • 7. 发明授权
    • Process for preparing polyethylene
    • 制备聚乙烯的方法
    • US5684097A
    • 1997-11-04
    • US475842
    • 1995-06-07
    • Ari PalmroosAli HarlinAntero AhvenainenJouni TakakarhuAimo Sahila
    • Ari PalmroosAli HarlinAntero AhvenainenJouni TakakarhuAimo Sahila
    • C08F2/14B01J8/24B01J19/24C08F2/06C08F2/34C08F10/02C08F210/16
    • C08F10/02B01J19/2435B01J19/245B01J8/24B01J2219/00051B01J2219/00166B01J2219/00173C08F210/16
    • A process for producing polyethylene compositions in the presence of a catalytic system of ethylene polymerizing catalyst and cocatalyst in a multistage continuous reaction sequence consisting of successive liquid phase and gas phase polymerizations is disclosed. In the first step of the process, ethylene and optionally hydrogen and comonomer are polymerized in a first loop reactor in a low boiling hydrocarbon medium in the presence of ethylene polymerizing catalyst and cocatalyst. The reaction mixture is then removed and then transferred to a second loop reactor where polymerization is continued by addiing ethylene, hydrogen and optionally inert hydrocarbon, comonomers and cocatalysts. Thereafter, the reaction mixture is removed from the second loop reactor along with an essential part of the reaction medium and transferred to a gas phase reactor where polymerizing is continued in the presence of added ethylene and optionally hydrogen, comonomers and cocatalysts to form an end product. The residence time and reaction temperature being such that the proportion of the ethylene polymer produced in the first loop reactor to the end product of the process is between 1-20%.
    • 在由连续液相和气相聚合组成的多级连续反应序列中,在乙烯聚合催化剂和助催化剂催化体系存在下生产聚乙烯组合物的方法。 在该方法的第一步中,在乙烯聚合催化剂和助催化剂存在下,乙烯和任选的氢和共聚单体在第一回路反应器中在低沸点烃介质中聚合。 然后除去反应混合物,然后转移到第二环管反应器中,其中通过加入乙烯,氢气和任选的惰性烃,共聚单体和助催化剂继续聚合。 此后,将反应混合物与反应介质的主要部分一起从第二环管反应器中除去,并转移到气相反应器中,在气相反应器中,在加入的乙烯和任选的氢,共聚单体和助催化剂的存在下,继续聚合以形成最终产物 。 停留时间和反应温度使得在第一回路反应器中产生的乙烯聚合物与该方法的最终产物的比例为1-20%。